Did you ever have that Play-Doh set where you have that thing that you put some Play-Doh in and put a strip with a shape on the other side, and you push down on it and the Play-Doh comes out the other end in that shape? That’s an extrusion.
More examples are vinyl siding, gutters, round aluminum rods, PVC pipe, the list goes on and on. It’s just forcing product through a die or series of dies to make a continuous line of something of a certain shape.
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